| Issuer | Australia |
| Year | 2011 |
| Type | Commemorative circulation coin |
| Value | 20 Cents |
| Currency | Dollar (1966-date) |
| Composition | Copper-nickel (75% Copper, 25% Nickel) |
| Weight | 11.31 g |
| Dimensions | 28.52 mm |
| Thickness | 2 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Obverse: Ian Rank-Broadley Reverse: Vladimir Gottwald |
| In circulation to | |
| Reference(s) | KM#1634 |
| Obverse description | 4th portrait of Queen Elizabeth II facing right wearing the Girls of Great Britain and Ireland Tiara |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II AUSTRALIA 2011 IRB |
| Reverse description | Year of Volunteers Symbol with a +10 next to it. Surrounded by Olive Sheaves on left and right. Around the edge of the coin are 45 people holding hands |
| Reverse script | Latin |
| Reverse lettering | INTERNATIONAL YEAR OF VOLUNTEERS 20 +10 - 2011 - 10th ANNIVERSARY - 2011 - |
| Edge | Reeded |
| Mint | |
| Mintage | 2011 - BU in PNC - 20 000 2011 - BU; Mint Roll (500 Rolls) - 10 000 2011 - Circulation - 6 100 000 |
| Catalog ID | 4902847360 |
| Comments |
